Re: mch3402 error ending apache instance

["Jim Franz" <franz400@xxxxxxxxxxxx>]

Thanks for the suggestion of changing the msg to dump the job.
I understand pretty well what causes mch3402 but was asking
how to get a clearer picture of what is happening.
This is a "generated" program, so I can see the source, could even
debug it, but actually cannot recreate the error. In hundreds of
executions it fails only a couple times. It's a very simple screen
with 20 or so text entry fields and the form action is to
call itself, passing all the entry fields in the url string. It's not 
calling the program by a pointer.
This is not the only pgm doing this, but the pattern is the same.
Users are unaware of the problem (not getting a 404 or similar), but the
Apache instance definitely ending.
Jim Franz

----- Original Message ----- 
From: "Simon Coulter" <shc@xxxxxxxxxxxxxxxxx>
To: "Web Enabling the AS400 / iSeries" <web400@xxxxxxxxxxxx>
Sent: Sunday, April 20, 2008 6:14 PM
Subject: Re: [WEB400] mch3402 error ending apache instance


> Cut the copy too soon.
>
> On 21/04/2008, at 5:05 AM, Jim Franz wrote:
> > Everything in joblog normal till then.
> > This error occurred when several users calling same group of
> > programs, before and after error.
>
> Is "something" deleted by one user that the code expects will still
> be available for another user? I mean a timing issue where one user
> creates something, another user connects and uses it and deletes it
> (because they process faster), then the failure occurs when the first
> user references the destroyed object?
>
> You'll need to examine your code to determine if this is a possibility.
>
> > Using native file logging wwwaccess and wwwerror. No indication of
> > "why".
> > What can I do in logging to get more detail? Job log already at max
> > level.
>
> You can change the MCH3402 message description to dump the job
> information which will give you the call stack and other stuff.
> CHGMSGD MCH3402 DMPLST(*JOB). Might be helpful.
>
> Regards,
> Simon Coulter.
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